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CPI Fluid Engineering (a division of the Lubrizol brand) is a global leader in the field of tribology and lubricant technology, specializing in the development of high-performance synthetic compressor fluids. Their portfolio, including renowned brands like Solest® and Emkarate®, is engineered to meet the complex chemical challenges of modern refrigeration, offering superior thermal stability and miscibility profiles that standard mineral oils cannot match.

Stellar partners with CPI to ensure that the industrial refrigeration systems they service operate at peak efficiency, regardless of the refrigerant used. By sourcing CPI’s specialized ammonia and CO₂ lubricants, Stellar provides clients with fluids that resist thermal degradation and varnish buildup under high-compression loads. This focus on fluid engineering helps facilities extend compressor life, reduce oil consumption, and maintain optimal heat transfer across the entire system.